<template>
  <div class="cesium-draw">
    <div id="cesium-drawer" />
    <canvas id="canvas-a" class="canvas" width="700" height="100"></canvas>
    <canvas id="canvas-b" class="canvas" width="700" height="100"></canvas>
    <div class="mouse-postion">{{ nowPostion.wgs84 }}</div>
    <div class="tool-box">
      <!-- <div class="slider-box-wrapper"><slider-box v-model:value="terrainExaggeration" :max="2" /></div> -->
      <!-- <div class="slider-box-wrapper"><slider-box v-model:value="relativeHeight" :max="10000" /></div> -->
      <div class="select-box-wrapper"><select-box :options="layerOptions" /></div>
      <div class="select-box-wrapper"><a-checkbox v-model:checked="shadows">shadows</a-checkbox></div>
      <!-- <div class="select-box-wrapper"><select-box :options="entityToolbarOptions" /></div>
        <div class="select-box-wrapper"><select-box :options="sizeOptions" /></div>
        <div class="select-box-wrapper"><a-checkbox v-model:checked="softShadows">soft shadows</a-checkbox></div>
        <div class="select-box-wrapper"><a-checkbox v-model:checked="terrainShadows">terrain shadows</a-checkbox></div> -->
      <!-- <div class="select-box-wrapper"><a-checkbox v-model:checked="picking">选择</a-checkbox></div> -->
      <div id="menu">
        <!-- <p><button @click="onClick('play')">播放</button></p> -->
        <!-- <p><button @click="onClick('stop')">暂停</button></p> -->
      </div>
    </div>

    <a-dropdown v-if="false">
      <a class="ant-dropdown-link tools" @click.prevent>
        {{ drawingModeText }}
        <DownOutlined />
      </a>
      <template #overlay>
        <a-menu @click="handleMenuClick">
          <a-menu-item v-for="(e, index) in menuOptions" :key="e.key">{{ e.text }}</a-menu-item>
        </a-menu>
      </template>
    </a-dropdown>
  </div>
</template>

<script>
import { DownOutlined, EditOutlined } from '@ant-design/icons-vue';
import { defineComponent, ref, watch } from 'vue';
import * as Cesium from '@cesium/Source/Cesium.js';
import MousePosition from '@functional/utils/mousePosition';
import SelectBox from '@components/widgets/select-box';

export default defineComponent({
  name: 'styPointCloud', // 点云渲染
  components: { DownOutlined, EditOutlined, SelectBox },
  setup() {
    return {
      viewer: null,
      onshadows: () => {},
      isRepeating: true,
      videoOverlay: true
    };
  },
  data() {
    return {
      layerOptions: [],
      shadows: true,
      nowPostion: {}
    };
  },
  computed: {},
  watch: {
    shadows(val) {
      this.onshadows(val);
    }
  },
  mounted() {
    this.initViewer();
  },
  beforeUnmount() {
    if (this.viewer) {
      this.viewer.destroy();
      this.viewer = null;
    }
  },
  methods: {
    handleMenuClick(e) {
      this.drawingMode = e.key;
    },
    handleClick(value) {
      const viewer = this.viewer;
      switch (value) {
        case 'isRepeating':
          break;
      }
    },
    onViewerInited(viewer) {
      let vm = this;
      new MousePosition(viewer, pos => {
        vm.nowPostion = pos;
      });
    },
    initViewer() {
      let vm = this;
      Cesium.Ion.defaultAccessToken = $accessToken.default;
      // Cesium.Ion.defaultAccessToken = "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiI0NDViM2NkNi0xYTE2LTRlZTUtODBlNy05M2Q4ODg4M2NmMTQiLCJpZCI6MjU5LCJpYXQiOjE1MTgxOTc4MDh9.sld5jPORDf_lWavMEsugh6vHPnjR6j3qd1aBkQTswNM"
      // let osm = new Cesium.OpenStreetMapImageryProvider({
      //   url: 'https://a.tile.openstreetmap.org/'
      // });
      let osm = new Cesium.ArcGisMapServerImageryProvider({
        // url: '//services.arcgisonline.com/ArcGIS/rest/services/World_Street_Map/MapServer',
        url: '//services.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer'
      });
      var viewer = new Cesium.Viewer('cesium-drawer', {
        // imageryProvider: osm,
        contextOptions: {
          webgl: {
            alpha: true
          }
        },
        animation: false,
        // baseLayerPicker: false,
        fullscreenButton: false,
        vrButton: false,
        homeButton: false,
        timeline: false,
        selectionIndicator: false,
        infoBox: false,
        // 注释时相当于使用默认地形，解开注释相当于使用全球地形
        // terrainProvider: Cesium.createWorldTerrain(),
        shouldAnimate: true
      });

      //开启深度检测
      viewer.scene.globe.depthTestAgainstTerrain = true;

      this.viewer = viewer;
      this.onViewerInited(viewer);

      this.initEffects();

      // this.viewer.flyTo(this.viewer.entities);
    },
    initEffects() {
      let vm = this;
      const viewer = this.viewer;
      var scene = viewer.scene;

      const style = new Cesium.Cesium3DTileStyle({
        color: {
          conditions: [["${feature['building']} === 'hospital'", "color('#0000FF')"], ["${feature['building']} === 'school'", "color('#00FF00')"], [true, "color('#ffffff')"]]
        }
      });

      const buildings = Cesium.createOsmBuildings({
        defaultColor: Cesium.Color.WHITE,
        showOutline: false,
        style
      })

      scene.primitives.add(buildings);

      scene.camera.flyTo({
        destination: Cesium.Cartesian3.fromDegrees(-74.019, 40.6912, 750),
        orientation: {
          heading: Cesium.Math.toRadians(20),
          pitch: Cesium.Math.toRadians(-20)
        }
      });
    }
  }
});
</script>

<style lang="less">
.cesium-draw {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  color: white;
  font-size: 14px;

  #cesium-drawer {
    width: 100%;
    height: 100%;
    overflow: hidden;
    .cesium-viewer-bottom {
      display: none !important;
    }
  }

  .mouse-postion {
    position: absolute;
    bottom: 10px;
    right: 10px;
    font-size: 14px;
    padding: 8px 12px;
    line-height: 16px;
    color: white;
    z-index: 9999;
    background-color: rgba(40, 48, 60, 1);
    border-radius: 3px;
    opacity: 0.8;
  }

  .tools {
    position: absolute;
    top: 57px;
    left: 7px;
    font-size: 14px;
    padding: 8px 12px;
    line-height: 16px;
    color: white;
    z-index: 9999;
    background-color: rgba(40, 48, 60, 1);
    border-radius: 3px;
    opacity: 0.6;
    transition: all 500ms;
    &:hover {
      opacity: 0.8;
    }
  }
}

.chart-container {
  position: absolute;
  bottom: 7px;
  left: 7px;
  background-color: rgba(0, 0, 0, 0.5);

  #profileChart {
    width: 600px;
    height: 300px;
  }
}
#canvas-a {
  top: 10px;
  display: none;
}

#canvas-b {
  top: 120px;
  display: none;
}
#trailer {
  position: absolute;
  bottom: 75px;
  right: 0;
  width: 320px;
  height: 180px;
}
.tool-box {
  position: absolute;
  top: 70px;
  left: 10px;
  z-index: 9;

  #menu {
    padding-top: 20px;
    button {
      background-color: rgba(0, 0, 0, 0.75);
      border-color: rgba(0, 0, 0, 0);
      cursor: pointer;
      transition: all 500ms;
      &:hover {
        opacity: 0.75;
      }
    }
  }

  .slider-box-wrapper {
    width: 18em;
    padding: 0 10px;
    background-color: rgba(0, 0, 0, 0.75);
    margin-bottom: 10px;
  }

  .select-box-wrapper {
    padding: 5px 15px;
    background-color: rgba(0, 0, 0, 0.75);
    margin-bottom: 10px;
    width: auto;
  }
}
</style>
